It is a large date 1970-S cent. There are large and small dates on the 1970-S cents only. The small date had a different master hub:

Note the shape on the center of the upper curl? The large dates had a different curl there and the location of the '7' is different.

Note the level of the '7' is different?
Other things different:

These also occurred on the proof cents as well:

So when looking for these on
ebay, use my preferred method of not getting a large date when you want a small date example:

Use a business card across the top of the date to see if the digits line up, or not. If not, it is a large date. On
ebay they often angle the date to make it look more confusing. With the card, it tells you it which one it is.
Also there is more than one die that was used that year. The locations of the mintmarks confirms this:

I think the 5th example was one of the above 4.
More information?